an Entity references as follows:
Room No. 9 (Korean: 나인룸; RR: Naillum) is a 2018 South Korean television series starring Kim Hee-sun, Kim Hae-sook and Kim Young-kwang. It aired on tvN's Saturdays and Sundays at 21:00 (KST) time slot, from October 6 to November 25, 2018.